# CrossPoint User Guide

Welcome to the **CrossPoint** firmware. This guide outlines the hardware controls, navigation, and reading features of 
the device.

## 1. Hardware Overview

The device utilises the standard buttons on the Xtink X4 in the same layout:

### Button Layout
| Location        | Buttons                                    |
|-----------------|--------------------------------------------|
| **Bottom Edge** | **Back**, **Confirm**, **Left**, **Right** |
| **Right Side**  | **Power**, **Volume Up**, **Volume Down**  |

---

## 2. Power & Startup

### Power On / Off

To turn the device on or off, **press and hold the Power button for 1 full second**.

### First Launch

Upon turning the device on for the first time, you will be placed on the **Book Selection Screen** (File Browser).

> **Note:** On subsequent restarts, the firmware will automatically reopen the last book you were reading.

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## 3. Book Selection

The Home Screen acts as a folder and file browser.

* **Navigate List:** Use **Left** (or **Volume Up**), or **Right** (or **Volume Down**) to move the selection cursor up 
  and down through folders and books.
* **Open Selection:** Press **Confirm** to open a folder or read a selected book.

---

## 4. Reading Mode

Once you have opened a book, the button layout changes to facilitate reading.

### Page Turning
| Action            | Buttons                              |
|-------------------|--------------------------------------|
| **Previous Page** | Press **Left** _or_ **Volume Up**    |
| **Next Page**     | Press **Right** _or_ **Volume Down** |

### Chapter Navigation
* **Next Chapter:** Press and **hold** the **Right** (or **Volume Down**) button briefly, then release.
* **Previous Chapter:** Press and **hold** the **Left** (or **Volume Up**) button briefly, then release.

### System Navigation
* **Return to Home:** Press **Back** to close the book and return to the Book Selection screen.
* **Chapter Menu:** Press **Confirm** to open the Table of Contents/Chapter Selection screen.

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## 5. Chapter Selection Screen

Accessible by pressing **Confirm** while inside a book.

1.  Use **Left** (or **Volume Up**), or **Right** (or **Volume Down**) to highlight the desired chapter.
2.  Press **Confirm** to jump to that chapter.
3.  *Alternatively, press **Back** to cancel and return to your current page.*

---

## 6. Current Limitations & Roadmap

Please note that this firmware is currently in active development. The following features are **not yet supported** but
are planned for future updates:

* **Images:** Embedded images in e-books will not render.
* **Text Formatting:** There are currently no settings to adjust font type, size, line spacing, or margins.
